| 环氧化天然橡胶蠕变曲线的一种拟合方法 |
| Fitting for Creep Curve of Epoxidized Nature Rubber |
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| DOI： |
| 中文关键词: 蠕变 推迟时间 曲线拟合 |
| 英文关键词: creep retardation time curve fitting |
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| 中文摘要: |
| 采用单一的开尔文（Kelvin）模型确定被测材料的平均推迟时间，用适当选取各运动单元推迟时间的方法建立四参数数学模型εt＝∑ε2i（1－ｅ-t/τi），并以最小二乘法拟合求得各待定参数。结果表明，拟合后的方程与实验值吻合良好，均方根偏差小于2.10%。 |
| 英文摘要: |
| The average retardation time τ0 was determined from the single Kelvin model. A four-element model εt＝∑ε2i（1－ｅ-t/τi）was developed by means of proper selection of retardant times of various motional elements. The spectrum intensities ε2i were determined by the linear multielement regression and the least square method. The calculated data showed a good agreement with the experimental curves. |
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